Finding the Fourth Proportional to 408,559.24, 612,855.33 and 142,346.71
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Solution
The fourth proportional to 408,559.24, 612,855.33 and 142,346.71 is: 213,525.80
Step by Step Solution
- Step 1: Write the proportion equation
408,559.24 : 612,855.33 = 142,346.71 : x - Step 2: Convert to fraction form
408,559.24/612,855.33 = 142,346.71/x - Step 3: Cross multiply
408,559.24x = 612,855.33 × 142,346.71 - Step 4: Simplify right side
408,559.24x = 87,237,939,931.46 - Step 5: Solve for x
x = 87,237,939,931.46/408,559.24 - Step 6: Final answer
x = 213,525.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.